Maybe you should hit the remember me button right before logging in. i am logged in, tried to do the search and no more capatcha.
My belief is that if one isn't logged in, then it's good to have the captcha so that it actually encourages people to be a member. some forums won't even let people search w/o being members, but a captcha is a good compromise. see, i'm contributing
for the record, for those who wants the original solution, though I haven't had time to check it out here's something that someone had pointed me to:
http://chdk.wikia.com/wiki/Prepare_your_SD_card#Bootable_SD_Card_Method
